WO2006085609A1 - 新規Fe-Al合金、及びその製造方法 - Google Patents
新規Fe-Al合金、及びその製造方法 Download PDFInfo
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- WO2006085609A1 WO2006085609A1 PCT/JP2006/302343 JP2006302343W WO2006085609A1 WO 2006085609 A1 WO2006085609 A1 WO 2006085609A1 JP 2006302343 W JP2006302343 W JP 2006302343W WO 2006085609 A1 WO2006085609 A1 WO 2006085609A1
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0273—Final recrystallisation annealing
Definitions
- the present invention relates to an Fe 2 -A1 alloy having excellent properties such as workability, insulating properties, magnetic permeability, vibration damping properties, and high strength, and a method for producing the alloy.
- Fe-Cr-Al alloys, Mn-Cu alloys, Cu alloys, Mg alloys, and the like are known as metals having vibration damping properties and strength properties, and are used in various applications. Yes. Among them, the Fe-Al alloy having an A1 content of 6 to 10% by weight and an average crystal grain size of 300 to 700 / ⁇ ⁇ has excellent vibration damping properties and is useful as a vibration damping alloy. There is a certain force (see, for example, Patent Document 1).
- the Fe-Al alloy can be manufactured by cooling at a predetermined cooling rate after plastic working and annealing.
- Patent Document 1 JP 2001-59139 A
- the present invention relates to an Fe-Al alloy having an A1 content of 12% by weight or less, which is superior in terms of workability, insulation, magnetic permeability, vibration damping, high strength, etc.
- the purpose is to provide
- the inventors of the present invention have intensively studied to solve the above-mentioned problems.
- an alloy composed of 2 to 12% by weight of the A1 content, the remaining Fe and unavoidable impurities is plastically processed, and this is cold-rolled.
- the average grain size force is 3 ⁇ 450 m or less, which is different from the conventional Fe-Al alloy.
- Fe-Al alloys with different structure were obtained.
- the Fe-Al alloy has new characteristics different from those of conventional Fe-Al alloys, and is particularly excellent in terms of workability, insulation, magnetic permeability, vibration damping, high strength, etc. I found out.
- the present invention has been completed by further studies based on these findings.
- the present invention provides the following method for producing an Fe-Al alloy and the alloy: Item 1. Method for producing an Fe-Al alloy including the following steps:
- Item 2 The manufacturing method according to Item 1, wherein in step (ii), the cold rolling force is measured under a condition that the cross-section reduction rate is at least%.
- Item 3 The manufacturing method according to Item 1, wherein in step (iii), annealing is performed under a temperature condition of 400 to 1200 ° C.
- Item 5 An Fe-Al alloy comprising 2 to 12% by weight of A1, the balance Fe and unavoidable impurities, and having an average crystal grain size of 250 ⁇ m or less.
- Item 6 The Fe—Al alloy according to Item 5, wherein the average crystal particle size is 10 to 40 ⁇ m.
- Item 7 The Fe-Al alloy according to Item 5, which is used as a damping alloy or an insulating alloy.
- FIG. 1 shows the results of differential scanning calorimetry (DSE curve) for Fe-Al alloy of composition 1-6 that was cold rolled and had a cross-section reduction rate of 5% in Reference Example 1.
- DSE curve differential scanning calorimetry
- FIG. 2 shows the results of differential scanning calorimetry (DSE curve) for a Fe-Al alloy with a composition of 16 which was cold-rolled at a cross-section reduction rate of 10% in Reference Example 1. It is.
- FIG. 3 is a diagram showing a differential scanning calorimetry analysis result (DSE curve) for a Fe—Al alloy of composition 1-6 that was cold-rolled at a cross-section reduction rate of 20% in Reference Example 1. .
- FIG. 4 is a diagram showing a differential scanning calorimetry analysis result (DSE curve) for a Fe—Al alloy of composition 1-6 that was cold-rolled at a cross-section reduction rate of 50% in Reference Example 1. .
- DSE curve differential scanning calorimetry analysis result
- FIG. 5 is a test result in Example 1, that is, a photograph of the Fe—Al alloy of the present invention processed at a high speed at 200 ° C. and formed into a frying pan shape.
- FIG. 6 is a test result in Example 1, that is, a photograph of the Fe—Al alloy of the present invention fractured with a tensile tester under a temperature condition of 200 ° C., and the fractured cross section observed with a microscope.
- FIG. 7 shows the test results in Example 3, that is, the relationship between the annealing temperature and the tensile strength (tensile strength MPa) during annealing after cold working in the Fe—Al alloy of the present invention.
- FIG. 8 is a graph showing the test results in Example 3, ie, the relationship between the annealing temperature and elongation (%) during annealing after cold working in the Fe—Al alloy of the present invention.
- FIG. 9 is a graph showing the test results in Example 4, that is, the relationship between the annealing temperature and the hardness (Hardness HV0.3) during annealing after cold working in the Fe—Al alloy of the present invention.
- FIG. 10 is a graph showing the test results in Example 5, that is, the specific resistance p (mm ′ Ohm) of the Fe—Al alloy and mild steel of the present invention at 40 ° C. to 160 ° C.
- FIG. 11 shows the test results in Example 6.
- (A) shows the magnetization curve of pure iron
- (B) shows the magnetic permeability curves of the present Fe—Al alloy, comparative alloy 1 and comparative alloy 2.
- FIG. 12 is a view showing test results in Example 7. That is, it is a graph showing the vibration damping characteristics of the Fe—Al alloy of the present invention manufactured under the condition that the cooling rate after annealing is 5 ° C./min or C / min.
- the vertical axis represents the loss factor
- the horizontal axis represents the distortion amplitude.
- FIG. 13 is a micrograph of the microstructure of each Fe—Al alloy observed in Example 8.
- a) is a comparative alloy 4
- b) is an alloy having an annealing temperature of 600 ° C
- c) an alloy having an annealing temperature of 700 ° C
- d) an alloy having an annealing temperature of 800 ° C
- a photomicrograph is shown for an alloy of D, an alloy with an annealing temperature of 900 ° C.
- the Fe-Al alloy produced according to the present invention has an A1 content of 2 to 12% by weight, the balance Fe and non- Inevitable impurities (Si 0.1 wt% or less; Mn 0.1 wt% or less; other C, N, S, O, etc. 0.1 wt% or less)
- the A1 content may be in the range of 2 to 12% by weight, preferably 6 to 10% by weight, more preferably? ⁇ 9% by weight.
- the A1 content is appropriately set in accordance with the strength, workability, insulating properties, magnetic permeability, vibration damping properties and the like within the above range.
- step (0) an alloy composed of 2 to 12% by weight of A1
- the balance Fe and inevitable impurities is plastically processed (step (0).
- Fe -After pre-adjusting Al and Fe materials adjusted to a ratio where the Al content in the Al alloy reaches a predetermined value, in order to prevent intrusion of nitrogen and oxygen under a reduced pressure of about 0.1 to 0.01 Pa
- Pour into a mold to obtain an Fe-Al alloy ingot, and then finish the obtained alloy ingot into a predetermined shape by plastic working such as rolling and forging and machining.
- the alloy after the plastic working may be subjected to an annealing treatment after the plastic working.
- an annealing treatment after the plastic working.
- the annealing conditions are not particularly limited, but specifically, the obtained alloy after casting is heated to a temperature of about 700 to 1000 ° C for 30 minutes to 2 minutes.
- the conditions for holding for about time are exemplified.
- the temperature and time during the annealing treatment may be appropriately selected from the above ranges in consideration of the alloy composition, plastic working conditions, and the like.
- step (ii) cold rolling is performed on the plastically processed alloy.
- the cold rolling is performed after the alloy is cooled to the cold rolling temperature described below.
- the rolling process conditions in the cold rolling process are not particularly limited, but the conditions are such that the cross-section reduction rate is usually 5% or more, preferably 20% or more, more preferably 20 to 95%. It is desirable.
- the cross-section reduction rate may be processed by one cold rolling cage, or the cross-section reduction rate may be processed by performing two or more cold rolling processes.
- the “cross-sectional reduction rate” is the ratio (%) of the cross-sectional area reduced after the rolling process to the cross-sectional area of the alloy before the rolling process, and can be calculated by the following formula.
- step (m) an annealing treatment is performed on the cold-rolled alloy. Specifically, the obtained cold-rolled alloy is held at a temperature of about 400 to 1200 ° C (preferably 600 to 1000 ° C, more preferably 600 to 850 ° C) for about 30 minutes to 2 hours. Then, annealing is performed.
- the temperature and time during the annealing treatment may be appropriately selected from the above ranges in consideration of the alloy composition, plastic working conditions, and the like.
- the rate of cooling the alloy after the annealing treatment is not particularly limited, and can be appropriately set according to the annealing treatment temperature, the degree of internal strain of the alloy, and the like. From the viewpoint of providing the obtained Fe-Al alloy with more excellent characteristics such as strength and vibration damping, the cooling of the alloy after the annealing treatment is performed at a cooling rate of 10 ° in the temperature range up to 600 ° C. It is desirable to perform natural cooling (cooling) in the temperature range below 600 ° C as CZ or less (preferably about 1-5 ° CZ).
- the Fe-Al alloy produced by the above production method has high strength and is excellent in terms of properties such as workability, insulation, magnetic permeability, vibration damping, and can be applied in various fields. it can.
- the Fe-Al alloy is, for example, a high-strength material for automobiles based on its excellent workability. It is useful as a fee.
- the Fe-Al alloy is useful as an insulating alloy used for, for example, a motor core material based on its excellent insulating properties.
- the Fe—A 1 alloy is useful as a magnetically permeable alloy used for various electromagnetic materials, for example, based on its excellent magnetic permeability.
- the Fe-Al alloy has the property of being easy to heat and difficult to cool, and is also useful as a cooking utensil for IH.
- the Fe-Al alloy is based on, for example, its excellent vibration damping properties, such as automobile body materials, bearings, mold press shims, tool materials, DVD housings, speaker parts, precision equipment. It is useful as a damping alloy for use in construction materials, tool materials, damping bushings, sports equipment (eg, tennis racket grips).
- the Fe-Al alloy has the above-mentioned characteristics, and has been reported in the past.
- the Fe-Al alloy has characteristics different from those of an Fe-Al alloy having an A1 content of 12% by weight or less.
- the Fe-Al alloy obtained by the above production method has an average crystal grain size of 250 ⁇ m or less, and has a structure having a crystal grain size smaller than that of a conventional Fe-Al alloy.
- the present invention further provides an Fe—Al alloy having an A1 content of 2 to 12% by weight, the balance Fe and unavoidable impurities, and an average crystal grain size of 250 m or less.
- the average crystal particle diameter is preferably 1 to 100 111, more preferably 10 to 40 / zm.
- the average crystal grain size of the Fe—Al alloy is a value measured according to “Austenite grain size test method for steel” defined in JIS G0551.
- the average particle diameter of the crystal grains of the Fe-Al alloy is adjusted by appropriately setting the cold rolling conditions in step (ii), the annealing conditions in step GiO, and the like in the above-described manufacturing method. .
- the larger the cross-section reduction rate in the cold rolling process GO the more the Fe-Al alloy crystal
- the average particle size of the particles is reduced.
- the higher the annealing temperature in the annealing in the step () the larger the average grain size of the Fe—Al alloy crystal grains.
- a predetermined amount of electrolytic iron and 99.99% by weight of A1 were weighed so that the A1 content (composition 16) shown in Table 1 was obtained, and high-frequency dissolution was performed using a porous Tamman tube. After melting, it was solidified by suction between transparent stones with an inner diameter of 4 mm and rod-shaped alloy samples were prepared. This rod-shaped alloy sample was hot-rolled at 900 ° C. and plastically formed into a sheet (thickness 1 mm ⁇ 2 mm ⁇ 30 mm), and then annealed at 900 ° C. for 1 hour. After the annealing treatment, the steel was cooled to 550 ° C at a cooling rate of 1 ° CZ, and cold rolling was performed under the respective processing conditions at which the cross-section reduction rate was 5, 10, 20, and 50% at room temperature.
- Each of the thus obtained cold-rolled Fe-Al alloys is heated using a differential scanning calorimeter (DSC) and the thermal energy during the heating is measured. The amount generated was measured. Specifically, using a differential scanning calorimeter (manufactured by Rigaku Corporation), the amount of heat energy generated at 50 to 300 ° C. was measured at a heating rate of 0.33 ° C./second. The obtained results are shown in Figure 1-4.
- Fig. 1 shows the results when the cross-section reduction rate is 5%
- Fig. 2 shows the results when the rate is 10%
- Fig. 3 shows the results when the rate is 20%
- Fig. 4 shows the results when the rate is 50%.
- a predetermined amount of pure iron and 99.9% by weight of A1 were weighed so that the A1 content would be 8% by weight and dissolved in a high-frequency vacuum (final composition; Al: 7.78% by weight, C: 0.004% by weight, Si: 0.02% by weight) %, Mn: 0.05% by weight, P: 0.005% by weight, S: 0.002% by weight, Cr: 0.02% by weight, Ni: 0.05% by weight, and Fe: balance).
- the Fe-Al alloy thus obtained was pulled until it was crushed with a tensile tester under a temperature condition of 200 ° C, and the crushed cross section was observed with a microscope. The presence of was observed. From this, it was confirmed that the Fe-Al alloy has excellent cache characteristics (see Fig. 6).
- this Fe-Al alloy is excellent in workability and can be used for heat treatment at about 200 ° C.
- Table 2 shows the obtained results. From this result, it is clear that this Fe-Al alloy exhibits high tensile strength even under a wide range of temperatures from -30 to 160 ° C, and has excellent strength. In particular, it was confirmed that this Fe—Al alloy was significantly superior in elongation to the alloy of Comparative Example 1.
- Example 2 According to the same method as in Example 1, an Fe—Al alloy was prepared.
- the tensile strengths (Ultimate tensile strength, Yield strength, and Elongation) of each Fe-Al alloy obtained were measured in the same manner as in Example 2 above.
- Fig. 9 shows the obtained results. From this result, this Fe-Al alloy is also excellent in terms of hardness. In particular, it has been confirmed that an even harder alloy can be obtained when the annealing temperature is 800K (523 ° C) or lower.
- the specific resistance p (mm ′ Ohm) at ⁇ 40 ° C. to 160 ° C. was measured by the 4-terminal method. .
- an Fe—Al alloy was prepared.
- the magnetic field curve was obtained using Electron Magnet For VSM (manufactured by Toei Kogyo) (indicated as the present Fe-A1 alloy in Fig. 11).
- an alloy manufactured by the same method as in Example 1 except that cold rolling and subsequent annealing are performed at 300 ° C. (Comparative Alloy 1); cold rolling The alloy (comparative alloy 2) and pure iron manufactured in the same manner as in Example 1 except that rolling at 600 ° C. was used instead of the annealing treatment thereafter, and the magnetic properties were similar.
- a curve was obtained.
- Fig. 11 shows the obtained results. From this result, it was confirmed that this Fe-Al alloy has higher permeability than pure iron (magnetization curve has a steep slope) and has better permeability than pure iron. It was. In addition, this Fe-Al alloy has a higher magnetic permeability than Comparative Alloys 1 and 2, and it has become clear that the cold rolling force during manufacturing contributes to the improvement of the magnetic permeability. .
- Fe-Al alloy was prepared in the same manner. In order to evaluate the vibration damping properties of the obtained Fe-Al alloys, the following tests were conducted. For comparison, an Fe-Al alloy having the same composition as the above Fe-Al alloy, manufactured by annealing at 900 ° C for 1 hour after hot rolling and furnace cooling (Comparative alloy) 3) The vibration damping performance was similarly evaluated.
- the evaluation of the vibration damping property was performed using a lateral vibration method. Specifically, a strain gauge was bonded to one end (130 mm from the end) of the Fe—Al alloy sheet (0.8 ⁇ 30 ⁇ 300 mm) and connected to a strain gauge. The other end of this Fe-Al alloy sheet was fixed with a vise and a free-length vibration was generated as a cantilever with a free length of 150 mm, the strain gauge force strain was detected, and a strain attenuation curve was obtained. In addition, an accelerometer was attached, and an attenuation curve from acceleration was obtained.
- Fig. 12 shows the obtained results. From this result, it was confirmed that the slower the cooling rate after annealing, the better the vibration damping characteristics.
- the Fe-Al alloy of the present invention has excellent vibration damping characteristics even compared to the Fe-Al alloy (Comparative Alloy 3) annealed at 900 ° C without cold rolling. It was confirmed that he would come back.
- An Fe—Al alloy was prepared in the same manner as in Example 1 above, except that annealing was performed at various annealing temperatures of 600, 700, 800, 850, or 900 ° C. in the annealing treatment after cold working.
- the microstructure of each Fe-Al alloy obtained was observed with a metallographic microscope.
- the microstructure of the Fe-Al alloy (Comparative Alloy 4) that was not annealed after cold rolling was also observed with a metal microscope.
- An Fe—Al alloy was prepared in the same manner as in Example 1 except that the reduction in cross-section during cold working was 92.5%, 85, or 60%.
- each of the obtained Fe-Al alloys was measured in accordance with JIS G0551 "Method for testing austenite grain size of steel".
- Tensile strength was measured in the same manner as in Example 2 (measured at a temperature of (20) ° C).
- each obtained Fe-Al alloy was bent 180 ° with the bending radius set to 3 times the plate thickness, and the presence or absence of flaws was confirmed avoiding the bent side of the test piece.
- Table 3 shows the obtained results. All of the produced Fe-Al alloys had an average crystal grain size of 250 m or less. This result also confirmed that an Fe-Al alloy with a small crystal grain size can be obtained by increasing the cross-sectional reduction rate during cold working. Furthermore, it has also been clarified that the smaller the crystal grain size of the Fe-Al alloy, the better the properties in terms of strength and bending.
- the average grain size is reduced to 250 m or less, so that excellent workability, insulation, magnetic permeability, vibration damping, high Strength, etc. can be provided to the Fe-Al alloy. Therefore, according to the present invention, it is possible to provide an alloy that can be applied in various fields and has high utility as compared with the conventional Fe-Al alloy.
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Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
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AU2006213306A AU2006213306A1 (en) | 2005-02-10 | 2006-02-10 | Novel Fe-Al alloy and method for producing same |
BRPI0607491-0A BRPI0607491A2 (pt) | 2005-02-10 | 2006-02-10 | liga de fe-al e método de produção da mesma |
JP2007502656A JP5185613B2 (ja) | 2005-02-10 | 2006-02-10 | 新規Fe−Al合金、及びその製造方法 |
EP06713486A EP1847624A4 (en) | 2005-02-10 | 2006-02-10 | NEW FE-AL ALLOYING AND MANUFACTURING METHOD THEREFOR |
US11/815,946 US20090116991A1 (en) | 2005-02-10 | 2006-02-10 | NOVEL Fe-Al ALLOY AND METHOD FOR PRODUCING THE SAME |
CA002596856A CA2596856A1 (en) | 2005-02-10 | 2006-02-10 | Novel fe-al alloy and method for producing same |
CN2006800041289A CN101115850B (zh) | 2005-02-10 | 2006-02-10 | 新的Fe-Al合金以及其制造方法 |
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JP2005-035123 | 2005-02-10 | ||
JP2005035123 | 2005-02-10 |
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WO2006085609A1 true WO2006085609A1 (ja) | 2006-08-17 |
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US (1) | US20090116991A1 (ja) |
EP (1) | EP1847624A4 (ja) |
JP (1) | JP5185613B2 (ja) |
KR (1) | KR20070106630A (ja) |
CN (1) | CN101115850B (ja) |
AU (1) | AU2006213306A1 (ja) |
BR (1) | BRPI0607491A2 (ja) |
CA (1) | CA2596856A1 (ja) |
RU (1) | RU2007133647A (ja) |
WO (1) | WO2006085609A1 (ja) |
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WO2010041532A1 (ja) | 2008-10-10 | 2010-04-15 | 株式会社豊田自動織機 | 鉄合金、鉄合金部材およびその製造方法 |
JP2010150615A (ja) * | 2008-12-25 | 2010-07-08 | Kahei Okanda | 表面加工された合金の製造方法及び表面加工された合金 |
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JP2013001978A (ja) * | 2011-06-20 | 2013-01-07 | Okanda Yoriko | Fe−Al合金素材の製造方法、及び棒状あるいは線状のFe−Al合金素材 |
WO2013150972A1 (ja) * | 2012-04-03 | 2013-10-10 | 日立金属株式会社 | Fe-Al系合金の製造方法 |
JP2014114468A (ja) * | 2012-12-07 | 2014-06-26 | Kahei Okanda | Fe−Al合金 |
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JP5601268B2 (ja) * | 2011-04-11 | 2014-10-08 | 株式会社豊田自動織機 | 鉄合金製制振材の製造方法と鉄合金製制振材 |
CN103691741A (zh) * | 2012-09-27 | 2014-04-02 | 日立金属株式会社 | Fe-Al系合金带钢的制造方法 |
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WO2020241530A1 (ja) | 2019-05-31 | 2020-12-03 | 日立金属株式会社 | Fe-Al系合金制振部品およびその製造方法 |
RU2754623C1 (ru) * | 2020-10-28 | 2021-09-06 | Российская Федерация, От Имени Которой Выступает Министерство Промышленности И Торговли Российской Федерации | Способ термической обработки высокодемпфирующей стали |
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- 2006-02-10 BR BRPI0607491-0A patent/BRPI0607491A2/pt not_active IP Right Cessation
- 2006-02-10 EP EP06713486A patent/EP1847624A4/en not_active Withdrawn
- 2006-02-10 CN CN2006800041289A patent/CN101115850B/zh not_active Expired - Fee Related
- 2006-02-10 JP JP2007502656A patent/JP5185613B2/ja not_active Expired - Fee Related
- 2006-02-10 RU RU2007133647/02A patent/RU2007133647A/ru not_active Application Discontinuation
- 2006-02-10 AU AU2006213306A patent/AU2006213306A1/en not_active Abandoned
- 2006-02-10 KR KR1020077020470A patent/KR20070106630A/ko not_active Application Discontinuation
- 2006-02-10 US US11/815,946 patent/US20090116991A1/en not_active Abandoned
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US8641835B2 (en) | 2008-10-10 | 2014-02-04 | Kabushiki Kaisha Toyota Jidoshokki | Iron alloy, iron-alloy member, and process for manufacturing the same |
WO2010041532A1 (ja) | 2008-10-10 | 2010-04-15 | 株式会社豊田自動織機 | 鉄合金、鉄合金部材およびその製造方法 |
JP2010150615A (ja) * | 2008-12-25 | 2010-07-08 | Kahei Okanda | 表面加工された合金の製造方法及び表面加工された合金 |
JP2011043111A (ja) * | 2009-08-21 | 2011-03-03 | Keihin Corp | 電磁式作動装置及び電磁式燃料噴射弁 |
JP2013001978A (ja) * | 2011-06-20 | 2013-01-07 | Okanda Yoriko | Fe−Al合金素材の製造方法、及び棒状あるいは線状のFe−Al合金素材 |
JPWO2013150972A1 (ja) * | 2012-04-03 | 2015-12-17 | 日立金属株式会社 | Fe−Al系合金の製造方法 |
WO2013150972A1 (ja) * | 2012-04-03 | 2013-10-10 | 日立金属株式会社 | Fe-Al系合金の製造方法 |
JP2014114468A (ja) * | 2012-12-07 | 2014-06-26 | Kahei Okanda | Fe−Al合金 |
WO2015181856A1 (ja) * | 2014-05-30 | 2015-12-03 | 株式会社アーバンマテリアルズ | 弦楽器用エンドピン |
WO2018052107A1 (ja) * | 2016-09-15 | 2018-03-22 | 日立金属株式会社 | 磁心およびコイル部品 |
JP6471881B2 (ja) * | 2016-09-15 | 2019-02-20 | 日立金属株式会社 | 磁心およびコイル部品 |
JPWO2018052107A1 (ja) * | 2016-09-15 | 2019-03-28 | 日立金属株式会社 | 磁心およびコイル部品 |
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CN109716455A (zh) * | 2016-09-15 | 2019-05-03 | 日立金属株式会社 | 磁芯及线圈部件 |
KR102020666B1 (ko) * | 2016-09-15 | 2019-09-10 | 히타치 긴조쿠 가부시키가이샤 | 자심 및 코일 부품 |
US10586646B2 (en) | 2016-09-15 | 2020-03-10 | Hitachi Metals, Ltd. | Magnetic core and coil component |
CN109716455B (zh) * | 2016-09-15 | 2020-06-09 | 日立金属株式会社 | 磁芯及线圈部件 |
Also Published As
Publication number | Publication date |
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CN101115850B (zh) | 2010-08-04 |
CN101115850A (zh) | 2008-01-30 |
JP5185613B2 (ja) | 2013-04-17 |
EP1847624A1 (en) | 2007-10-24 |
KR20070106630A (ko) | 2007-11-02 |
JPWO2006085609A1 (ja) | 2008-06-26 |
RU2007133647A (ru) | 2009-03-20 |
EP1847624A4 (en) | 2008-05-28 |
US20090116991A1 (en) | 2009-05-07 |
AU2006213306A1 (en) | 2006-08-17 |
CA2596856A1 (en) | 2006-08-17 |
BRPI0607491A2 (pt) | 2009-09-08 |
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